A sand screening machine for construction engineering
By designing structures such as unqualified material outlets, hard brushes, vibration motors and hammer heads in sand screening machines for construction projects, the problems of low screening rate and inability to separate clumped sand in the prior art are solved, automatic cleaning and efficient screening are achieved, and the efficiency of equipment is improved.
Patent Information
- Application Number
- CN202420813774.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-18
AI Technical Summary
When the existing sand screening machine for construction projects is screened, the lack of vibration devices leads to a low screening rate, unable to separate the agglomerated sand, and requires manual cleaning of the filter, which increases the burden on users.
A sand screening machine for construction projects was designed, equipped with structures such as unqualified material outlets, hard brushes, vibration motors and hammer heads. Through these structures, automatic cleaning of the filter rack surface is achieved, the sand is stuck in the screen hole is reduced, and the screening process is accelerated through vibration.
Automatic cleaning of the filter rack is realized, which improves the screening rate and can effectively separate the agglomerated sand, reducing the burden on users to clean the filter.
Smart Images
Figure CN222739639U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand screening machines for construction engineering, in particular to a sand screening machine for construction engineering. Background Art
[0002] Sand is one of the important materials in construction sites, road construction and road maintenance. When sand is used, it needs to be screened to make it finer. The existing sand screening method generally uses a screen.
[0003] When the existing sand screening machine for construction projects is installed and used, it is not equipped with a vibration device. On the one hand, the sand screening rate is low, and on the other hand, the agglomerated sand cannot be separated, resulting in small particles of agglomerated sand being screened out as large sand, causing a waste of sand and gravel; since there is no device for cleaning the filter, the user needs to manually clean the filter, which brings certain adverse effects to people's use process. In order to solve the shortcomings of the existing technology, we propose a sand screening machine for construction projects. Utility Model Content
[0004] The main purpose of the utility model is to provide a sand screening machine for construction engineering, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A sand screening machine for construction engineering comprises a screening platform, wherein four groups of first fixed frames are symmetrically arranged on the upper end of the screening platform, wherein a balance bar is arranged between two groups of the first fixed frames, a transmission rod is arranged between the other two groups of the first fixed frames, a second motor is arranged at one end of the transmission rod, a first movable frame is arranged on the outer wall of the transmission rod, a hard brush is arranged at the lower end of the first movable frame, an unqualified material outlet is arranged inside the screening platform, a filter frame is arranged on the left side of the unqualified material outlet, two groups of fixed plates are arranged between the filter frame and the screening platform, four groups of screws are arranged between the fixed plate and the filter frame, springs are arranged on the outer walls of the screws, two groups of limit rods are arranged at the lower end of the fixed plate, two groups of second fixed frames are symmetrically arranged at the lower end of the screening platform, a bidirectional screw is arranged between the two groups of the second fixed frames, a first motor is arranged at one end of the bidirectional screw, two groups of second movable frames are arranged on the outer wall of the bidirectional screw, two groups of vibration motors are arranged at the upper end of the second movable frame, and a hammer head is arranged at the upper end of the vibration motor.
[0007] Preferably, a rotation groove is provided between the bidirectional screw and the second fixed frame, the bidirectional screw and the second fixed frame are movably connected via the rotation groove, the bidirectional screw and the second movable frame are threadedly connected, the first movable frame and the transmission rod are threadedly connected, a rotation groove is provided between the transmission rod and the first fixed frame, and the transmission rod and the first fixed frame are movably connected via the rotation groove.
[0008] Preferably, the outer wall of the balance bar is smooth, the limit rod and the second movable frame are movably connected, the hammer head is in contact with the lower surface of the filter frame, the fixed plate and the screening table are welded, the limit rod and the screening table are welded, the second fixed frame and the screening table are welded, the filter frame and the fixed plate are threadedly connected by screws, and the spring is squeezed between the screws and the filter frame.
[0009] Preferably, the hard brush is in contact with the filter frame, a connecting ring is provided between the first motor and the second fixing frame, the first motor and the second fixing frame are detachably connected via the connecting ring, and the first fixing frame and the screening table are welded.
[0010] Preferably, the balance rod and the transmission rod have the same diameter, the unqualified material outlet is located at the upper right of the filter frame, a connecting ring is provided between the vibration motor and the second movable frame, and the vibration motor and the second movable frame are detachably connected via the connecting ring.
[0011] Preferably, a connecting ring is provided between the second motor and the first fixing frame, and the second motor and the first fixing frame are detachably connected via the connecting ring.
[0012] Beneficial Effects
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. In the utility model, by providing structures such as an unqualified material outlet and a hard brush, the device can automatically clean the surface of the filter frame, on the one hand preventing sand from getting stuck in the sieve holes, and on the other hand pushing unqualified sand to the unqualified material outlet, reducing the burden of users needing to clean the filter frame.
[0015] 2. In the utility model, the filter frame of the equipment is vibrated by the hammer head and other structures, which speeds up the screening process and improves the speed of the equipment. At the same time, the agglomerated sand can be vibrated and dispersed to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the split structure of the filter frame and the screening table of the utility model;
[0018] Figure 3 It is a schematic diagram of the combined structure of the bidirectional screw and the second movable frame of the utility model;
[0019] Figure 4 The utility model Figure 1 Schematic diagram of the structure at A.
[0020] In the figure: 1. Screening table; 2. Transmission rod; 3. First movable frame; 4. First fixed frame; 5. Balance rod; 6. First motor; 7. Screw; 8. Filter frame; 9. Fixed plate; 10. Second movable frame; 11. Spring; 12. Second fixed frame; 13. Hammer head; 14. Bidirectional screw; 15. Limit rod; 16. Vibration motor; 17. Hard brush; 18. Second motor; 19. Outlet for unqualified materials. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] like Figure 1-Figure 4 As shown, a sand screening machine for construction engineering, the first movable frame 3 and the transmission rod 2 are threadedly connected, a rotation groove is provided between the transmission rod 2 and the first fixed frame 4, the transmission rod 2 and the first fixed frame 4 are movably connected through the rotation groove, and the hard brush 17 is in contact with the filter frame 8.
[0023] Place the sand on the filter frame 8, the second motor 18 drives the transmission rod 2 to rotate, the transmission rod 2 drives the first movable frame 3 to move left and right, the first movable frame 3 drives the hard brush 17 to flatten the sand, and push the sand that has not been screened to the right side of the screening table 1, and out from the unqualified material outlet 19, and the balance bar 5 maintains the balance of the first movable frame 3.
[0024] like Figure 1-Figure 4 As shown, a rotation groove is provided between the bidirectional screw 14 and the second fixed frame 12 , the bidirectional screw 14 and the second fixed frame 12 are movably connected via the rotation groove, and the bidirectional screw 14 and the second movable frame 10 are threadedly connected.
[0025] The first motor 6 drives the bidirectional screw 14 to rotate, and the bidirectional screw 14 drives the two groups of second movable frames 10 to move in opposite directions at the same time. The limit rod 15 maintains the balance of the second movable frame 10. The vibration motor 16 drives the hammer head 13 to vibrate, and the hammer head 13 hammers the surface of the filter frame 8, driving the filter frame 8 to vibrate and speed up the screening speed.
[0026] It should be noted that the utility model is a sand screening machine for construction projects. When in use, sand is placed on the filter frame 8, the second motor 18 drives the transmission rod 2 to rotate, the transmission rod 2 drives the first movable frame 3 to move left and right, the first movable frame 3 drives the hard brush 17 to flatten the sand, and pushes the sand that has not been screened to the right side of the screening table 1 and out of the unqualified material outlet 19, and the balance bar 5 maintains the balance of the first movable frame 3.
[0027] The first motor 6 drives the bidirectional screw 14 to rotate, and the bidirectional screw 14 drives the two groups of second movable frames 10 to move in opposite directions at the same time. The limit rod 15 maintains the balance of the second movable frame 10. The vibration motor 16 drives the hammer head 13 to vibrate, and the hammer head 13 hammers the surface of the filter frame 8, driving the filter frame 8 to vibrate and speed up the screening speed.
[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A sand screening machine for construction engineering, comprising a screening table (1), characterized in that: Four groups of first fixed frames (4) are symmetrically arranged at the upper end of the screening platform (1), wherein a balance bar (5) is arranged between two groups of the first fixed frames (4), and a transmission rod (2) is arranged between the other two groups of the first fixed frames (4), and a second motor (18) is arranged at one end of the transmission rod (2). A first movable frame (3) is arranged on the outer wall of the transmission rod (2), and a hard brush (17) is arranged at the lower end of the first movable frame (3). An unqualified material outlet (19) is arranged inside the screening platform (1), and a filter frame (8) is arranged on the left side of the unqualified material outlet (19). Two groups of fixed plates (9) are arranged between the filter frame (8) and the screening platform (1), and the filter frame (8) and the screening platform (1) are arranged on the left side of the unqualified material outlet (19). Four groups of screws (7) are arranged between the fixed plate (9) and the filter frame (8), the outer wall of the screw (7) is provided with a spring (11), the lower end of the fixed plate (9) is provided with two groups of limit rods (15), the lower end of the screening platform (1) is symmetrically provided with two groups of second fixed frames (12), a bidirectional screw (14) is arranged between the two groups of the second fixed frames (12), one end of the bidirectional screw (14) is provided with a first motor (6), the outer wall of the bidirectional screw (14) is provided with two groups of second movable frames (10), the upper end of the second movable frame (10) is provided with two groups of vibration motors (16), and the upper end of the vibration motor (16) is provided with a hammer head (13).
2. A sand screening machine for construction engineering according to claim 1, characterized in that: A rotation groove is provided between the bidirectional screw rod (14) and the second fixed frame (12), and the bidirectional screw rod (14) and the second fixed frame (12) are movably connected via the rotation groove. The bidirectional screw rod (14) and the second movable frame (10) are threadedly connected. The first movable frame (3) and the transmission rod (2) are threadedly connected. A rotation groove is provided between the transmission rod (2) and the first fixed frame (4), and the transmission rod (2) and the first fixed frame (4) are movably connected via the rotation groove.
3. A sand screening machine for construction engineering according to claim 1, characterized in that: The outer wall of the balance rod (5) is smooth, the limiting rod (15) and the second movable frame (10) are movably connected, the hammer head (13) is in contact with the lower surface of the filter frame (8), the fixed plate (9) and the screening table (1) are welded, the limiting rod (15) and the screening table (1) are welded, the second fixed frame (12) and the screening table (1) are welded, the filter frame (8) and the fixed plate (9) are threadedly connected by a screw (7), and the spring (11) is squeezed between the screw (7) and the filter frame (8).
4. A sand screening machine for construction engineering according to claim 1, characterized in that: The hard brush (17) is in contact with the filter frame (8); a connecting ring is provided between the first motor (6) and the second fixing frame (12); the first motor (6) and the second fixing frame (12) are detachably connected via the connecting ring; and the first fixing frame (4) and the screening table (1) are welded.
5. A sand screening machine for construction engineering according to claim 1, characterized in that: The balance rod (5) and the transmission rod (2) have the same diameter, the unqualified material outlet (19) is located at the upper right of the filter frame (8), a connecting ring is provided between the vibration motor (16) and the second movable frame (10), and the vibration motor (16) and the second movable frame (10) are detachably connected via the connecting ring.
6. A sand screening machine for construction engineering according to claim 1, characterized in that: A connecting ring is provided between the second motor (18) and the first fixing frame (4), and the second motor (18) and the first fixing frame (4) are detachably connected via the connecting ring.